Tektronix Type 3B3 Delayed Sweep Time Base Oscilloscope Plug-In Module VTG B.124

Tektronix Type 3A1 Dual Trace Amplifier Plug-In Module Oscilloscope

Tektronix 7S11 Sampling Unit Plug-In Module Vintage Oscilloscope UNTESTED B.2

Tektronix 3T2 Oscilloscope Plug-In Random Sampling Sweep Vintage Module B.25

Vintage Tektronix 3A3 Oscilloscope Differential Amplifier Untested B.125

Tektronix 564B Storage Oscilloscope 3A74 Four-Trace 3B3 Time Base Ex-MoD

Tektronix 3A8 Operational Amplifier Plug-In Oscilloscope Module Vintage B.36

Tektronix RM503 Tube Oscilloscope